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Biconditional Any two propositions P and Q can be joined with the biconditional operator, producing the new, complex, proposition:
If you have Java, try it out for yourself: Set the truth values for the propositions P and Q by clicking on the appropriate button beside "P" and "Q" respectively. What is the truth value of P id and only if Q? Find out by clicking on the "Compute" button. The biconditional is a complex operator, built out of simpler operators. Think of it this way:
17 August 1996 For Educators Stephen Downes Guide to the Logical Fallacies Copyright © Stephen Downes, 1995-2001 stephen.downes@ualberta.ca |